Portland to Seattle (PDX–SEA) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
PDX–SEA is served by 4 airlines with nonstop service. Alaska Airlines, Delta Air Lines and Sun Country Airlines lead the route. The flight covers 129 miles in approximately 1h 2m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines Also: AY, BA, DE, FI, HA, JX, KE, QR | 145 | 739, 73H, 73J, B39M, E75, E75L | 0h53-1h15 | Oneworld | AY, BA, DE, FI, HA, JX, KE, QR | |
| DL Delta Air Lines Also: AF, AM, KE, KL, SK, VS, WS | 55 | E75L, E7W | 1h05-1h23 | SkyTeam | AF, AM, KE, KL, SK, VS, WS | |
| SY Sun Country Airlines | 1 | – | – | – | – | |
| Y4 Volaris | 1 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Seattle from Portland
| Metric | PDX→SEA | EUG→SEA | TIW→SEA |
|---|---|---|---|
| Distance from PDX | – | 106 mi | 116 mi |
| Nonstop airlines | 4 | 13 | 1 |
| Weekly flights | 426 | 204 | – |
| Flight time | 1h 2m | 1h 8m | – |
| Departure OTP | 100% | – | – |
Travel Essentials
PDX: PDT · SEA: PDT
When it's 6:00 PM in Portland, it's 6:00 PM in Seattle.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
PDX–SEA Quick Facts
Frequently Asked Questions
Portland to Seattle: The Pacific Northwest's Short-Haul Connector
PDX–SEA is one of the shortest commercial air routes in the continental US at around 150 air miles. Alaska Airlines and its regional partner Horizon Air operate it at high frequency as a feed route into SEA's international and transpacific network. Delta and United run the route as connections into their hub systems. Block time is 40 minutes. The route's passenger profile is predominantly connecting traffic: travelers from Portland or Southwest Washington who need access to Alaska's SEA hub for international departures to Japan, Korea, Australia, and Europe, or to cross-country connections not served nonstop from PDX.
Surface Competition and Route Purpose
Amtrak Cascades and Interstate 5 provide genuine alternatives for pure Portland–Seattle point-to-point travel, and a portion of the potential air market uses surface modes instead. The air route persists at high frequency because connecting traffic cannot use the train. PDX handles around 20 million passengers annually and has growing nonstop international service, which reduces some connecting demand through SEA. Still, Alaska's SEA network depth for transpacific routes makes PDX–SEA a permanent and well-subscribed connection in both directions.